Key result
Duke Treadmill Score shows poor risk concordance with combined angiography and SPECT at ~39% agreement.
Why the study?
Does the Duke Treadmill Score accurately correlate with angiographic and scintigraphic findings in patients with coronary artery disease?
Observational (n=102)
No
Does the Duke Treadmill Score accurately correlate with angiographic and scintigraphic findings in patients with coronary artery disease?
Answers are grounded in this paper and cite their sources.
The Duke Treadmill Score may misclassify a significant proportion of patients with coronary artery disease when compared to angiographic and SPECT findings, suggesting limited accuracy for individual risk stratification.
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Kang et al. (2002) conducted an observational in Coronary artery disease (n=102). Duke Treadmill Score (DTS) vs. Coronary angiography and Tc-99m MIBI myocardial SPECT findings was evaluated on Agreement between risk group assessed by DTS and risk group assessed by combined angiographic and SPECT findings (Kendall's tau b 0.21, p=<0.05). Risk classification by Duke Treadmill Score showed a low exact agreement rate of 39% (Kendall's tau b 0.21, p<0.05) when compared with risk assessed by combined coronary angiography and myocardial SPECT.
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